BMW 3-Series (E90 E92) Forum - View Single Post

ChineseGuy · 10-26-2006, 07:08 PM

does these exhuast affect fuel economy?

cause i heard people with the GruppeM intake tends to use more gas and all those stuff

so would an exhaust make it worst? in terms of fuel econ.

10-26-2006, 07:08 PM	#12
ChineseGuy QuickShifter 139 Rep 1,500 Posts Drives: Black E90 Join Date: Nov 2005 Location: North Pole iTrader: (2)	does these exhuast affect fuel economy? cause i heard people with the GruppeM intake tends to use more gas and all those stuff so would an exhaust make it worst? in terms of fuel econ.
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